Home / 1,021,470.87-1,532,202.18-311,496.86

Finding the Fourth Proportional to 1,021,470.87, 1,532,202.18 and 311,496.86

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Solution

The fourth proportional to 1,021,470.87, 1,532,202.18 and 311,496.86 is: 467,244.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,470.87 : 1,532,202.18 = 311,496.86 : x
  2. Step 2: Convert to fraction form
    1,021,470.87/1,532,202.18 = 311,496.86/x
  3. Step 3: Cross multiply
    1,021,470.87x = 1,532,202.18 × 311,496.86
  4. Step 4: Simplify right side
    1,021,470.87x = 477,276,167,955.16
  5. Step 5: Solve for x
    x = 477,276,167,955.16/1,021,470.87
  6. Step 6: Final answer
    x = 467,244.03

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.